Durable Construction: The watch frame is made of metal, shockproof and anti-drop. It can withstand harsh environmental conditions, making it the perfect companion for outdoor adventures HD Large Screen: Equipped with a 2.1-inch high-definition screen, providing a perfect visual experience Waterproof Function: With the waterproof design, whether washing hands or daily use, you don't have to worry about water ingress Sports Tracking: Support multiple exercise modes, calculate your exercise time, calorie consumption, etc., to help you live a healthy life HRV Report: Heart Rate Variability (HRV) is a key indicator of overall health and fitness. The watch tracks the subtle changes in time intervals between heartbeats, providing a deeper insight into your body's stress levels and recovery status Specification: Mobile operating system iOS 10.0 and above; Android 5.0 and above; Harmony OS APP Joeme Fit Main functions Key features: blood component analysis (uric acid, blood lipids), red light 24-hourblood oxygen, HRV report, 24-hour scientific sleep, fourth-generation blood sugar,and all-day stress monitoringRegular functions: step counting, distance, calories, calls, voice assistant, heart rate,blood pressure, body temperature test, MET, stress, breathing training, music playback,stopwatch, timer, calculator, flashlight, mini-games, time and date settings, weatherdisplay, women's menstrual tracking, raise your wrist to light up the screen, remotecontrol to take pictures, search for mobile phones (requires APP connection) and otherincoming call reminders, message reminders, alarm clock reminders, sedentaryreminders, heart rate alarm reminders, compliance reminders, drinking water remindersand other dials : 6 default watch faces + 1 watch face market watch face + 1 customwatch face 14 menu styles Master control JL7013A6+128M FLASH Gsencor sensor STK8321_W Heart rate sensor GR 3018 Vibration reminder Motor vibration reminder Waterproof level IP68 APP supported languages 20 countries: English, Traditional Chinese, Simplified Chinese, Korean, German, Japanese, Russian, Spanish, Italian, French, Vietnamese, Portuguese, Persian, Polish, Turkish, Czech, Slovak, Hungarian, Arabic, Thai Watch supported languages <td class="et4"